n: 40 m: 497 packed: 13 density: 0 nodes: 0 solveTime: 26600 buildTime: 150 solved: true
{0,4,39}
{1,18,38}
{2,15,33}
{3,5,10}
{6,8,28}
{7,11,16}
{12,20,22}
{13,17,25}
{14,34,36}
{19,23,29}
{21,27,37}
{24,30,32}
{26,31,35}